California ADU Information
Find ADU Regulations for Your City
Every California city allows ADUs by state law. Search your city to learn about local regulations, building requirements, and how to get started.
1189
Cities
100%
Allow ADUs
1,200
Max Sq Ft
Toledo
WA
ADUs Allowed
Population
695
County
Lewis
View Regulations
Tonasket
WA
ADUs Allowed
Population
1,085
County
Okanogan
View Regulations
Toppenish
WA
ADUs Allowed
Population
8,900
County
Yakima
View Regulations
Tukwila
WA
ADUs Allowed
Population
22,780
County
King
View Regulations
Tumwater
WA
ADUs Allowed
Population
27,100
County
Thurston
View Regulations
Twisp
WA
ADUs Allowed
Population
1,075
County
Okanogan
View Regulations
Union Gap
WA
ADUs Allowed
Population
6,660
County
Yakima
View Regulations
Uniontown
WA
ADUs Allowed
Population
400
County
Whitman
View Regulations
University Place
WA
ADUs Allowed
Population
35,580
County
Pierce
View Regulations
Vader
WA
ADUs Allowed
Population
650
County
Lewis
View Regulations
Vancouver
WA
ADUs Allowed
Population
199,600
County
Clark
View Regulations
Waitsburg
WA
ADUs Allowed
Population
1,185
County
Walla Walla
View Regulations
Walla Walla
WA
ADUs Allowed
Population
34,310
County
Walla Walla
View Regulations
Wapato
WA
ADUs Allowed
Population
4,620
County
Yakima
View Regulations
Warden
WA
ADUs Allowed
Population
2,625
County
Grant
View Regulations
Washougal
WA
ADUs Allowed
Population
17,490
County
Clark
View Regulations
Washtucna
WA
ADUs Allowed
Population
210
County
Adams
View Regulations
Waterville
WA
ADUs Allowed
Population
1,145
County
Douglas
View Regulations
Waverly
WA
ADUs Allowed
Population
120
County
Spokane
View Regulations
Wenatchee
WA
ADUs Allowed
Population
35,850
County
Chelan
View Regulations
West Richland
WA
ADUs Allowed
Population
17,840
County
Benton
View Regulations
Westport
WA
ADUs Allowed
Population
2,295
County
Grays Harbor
View Regulations
White Salmon
WA
ADUs Allowed
Population
2,500
County
Klickitat
View Regulations
Wilbur
WA
ADUs Allowed
Population
895
County
Lincoln
View Regulations
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